http://earthfacts.net Tue, 24 Jun 2008 18:52:50 +0000 http://backend.userland.com/rss092 en Waterspouts are simply tornadoes that exist over a body of water. They are often much weaker than land-based twisters due to atmospheric differences. Waterspouts are able to pick up the water and swirl it in its funnel. In some occasions, waterspouts have picked up tadpoles, lizards and fish which eventually rained ... http://earthfacts.net/2008/06/24/waterspouts-tornadoes-over-water/   The answer to this question has not changed since the last Apollo mission. The last lunar landing occurred on December 11, 1972. Since then, no one else has walked on the surface of the moon. The Apollo missions allowed 12 people to touch ground on the moon. All 12 of these ... http://earthfacts.net/2008/06/14/how-many-people-have-walked-on-the-moon/   This year's earth day, expected to be the biggest Earth Day celebration ever is happening today, April 22nd. EarthDay.gov explains it best: Earth Day is a time to celebrate gains we have made and create new visions to accelerate environmental progress. Earth Day is a time to unite around new actions. ... http://earthfacts.net/2008/04/22/april-22-2008-earth-day/ Natural gas is composed of decayed organic material from millions of years ago. Natural gas is the byproduct from the remains of ancient plants and animals that became trapped underground. This matter combined with a lack of oxygen and increasing pressure and heat changed into coal, oil, and natural gas. At first, ... http://earthfacts.net/2008/03/24/history-of-natural-gas/   Article Overview: It's a heated debate between fossil fuels and renewable energies. Fossils fuels, while becoming slightly pricier, are pollutants unlike renewable energy sources. But, fossil fuels are the "standard" in today's society and are readily available. Wind power is a type of renewable energy that can be implemented in many parts ... http://earthfacts.net/2008/02/19/wind-power-vs-fossil-fuels/   As of February 2008, the worldwide population is believed to have reached over 6.6 billion people. At this current pace, the Earth would reach a human population of nine billion by the year 2050. The 2007 CIA World Factbook claims that the current population increases by 211,090 people per day. From ... http://earthfacts.net/2008/02/11/human-population-trends/   Article Overview: Three Gorges Dam is the largest dam on the face of the planet. Its a magnificient construction project in terms of design and output but the environmental and sociological impacts may cause excessive devastation to the surrounding area. http://earthfacts.net/2008/02/08/three-gorges-dam/   Like humans, certain animal species hold world records as well. The following lists information regarding some world records held birds, fish, mammals, reptiles and invertebrates. Fastest Animals on Earth: Land Animal: Cheetah (70 miles per hour) Water Mammal: Dall Porpoises (35 miles per hour) Fish: Sailfish (68 miles per hour) Bird in the Sky: Peregrine ... http://earthfacts.net/2008/01/09/animal-olympics-world-records/   The moon is slowly creeping away from Earth. It's a nearly insignificant displacement but it moves 3.8 cm further into space every year. This has been determined since the 1970's using laser ranging measurements. When the moves 14,600 miles into space, we will no longer see a total eclipse of the ... http://earthfacts.net/2008/01/06/moon-moving-away-from-earth/   What is the most dangerous animal lurking around in America? Some would say the fierce grizzly bear or prowling mountain lions. They have been known to kill people, but the numbers are far from staggering. During the 20th century, 128 people died from bear attacks and only 14 people died ... http://earthfacts.net/2007/12/20/most-dangerous-animal-in-america/